reflection ray造句

例句与造句

1. an analysis is made about descartes rays of transparent round-section fibers-a special internal surface reflection rays of the fiber when parallel rays strike the fibers perpendicularly to fiber axis
   摘要分析了透明圆形截面纤维在垂直纤维轴光线照射时纱维内表面反射光的一种特殊现象笛卡尔线现象。
2. It's difficult to find reflection ray in a sentence. 用reflection ray造句挺难的